Type of difficulties

Mental problems in childhood

Comparisons between groups

Mental problems in adulthood

Comparisons between groups

No (n = 159)

Yes (n = 29)

No (n = 136)

Yes (n = 53)

Understanding letters from correctional services (N = 42)

30(19%)

12(41%)

χ² = 7.70 (df = 1) p = 0.01

29(21%)

13(25%)

χ² = 0.02 (df = 1) p = 0.546

Understanding language in the letters from correctional services (N = 57)

42(26%)

15(52%)

χ² = 7.89 (df = 1) p = 0.005

42(31%)

15(28%)

χ² = 0.37 (df = 1) p = 0.338

Understanding the words in the letters from correctional services (N = 119)

102(64%)

17(59%)

χ² = 0.85 (df = 1) p = 0.358

84(60%)

35(66%)

χ² = 0.30 (df = 1) p = 0.585

Reading and writing difficulties (N = 39)

24(15%)

15(52%)

χ² = 20.01 (df = 1) p = 0.000

28(21%)

11(21%)

χ² = 0.50 (df = 1) p = 0.480

Having difficulty concentrating (N = 73)

51(32%)

22(76%)

χ² = 19.8 (df = 1) p = 0.000

42(31%)

31(58%)

χ² = 11.56 (df = 1) p = 0.001

Level of education

χ² = 4.85 (df = 1) p = 0.028

χ² = 0.98 (df = 1) p = 0.320

Unfinished secondary (N = 91)

72(45%)

19(66%)

64(47%)

27(51%)

Finished at secondary or more (N = 96)

87(55%)

9(34%)

71(52%)

25(48%)